tau
English
← sigma |
→ upsilon | |
Ancient Greek: ταῦ | ||
Wikipedia article on tau |
Etymology
Borrowed from Ancient Greek ταῦ (taû).
Pronunciation
- IPA(key): /taʊ/, /tɔː/
Audio (US) (file) - Rhymes: -aʊ, -ɔː
Noun
tau (plural taus)
- The letter Τ/τ in the Greek, Hebrew and ancient Semitic alphabets, being the nineteenth letter of the Classical and Modern Greek, the twenty-first letter of Old and Ancient Greek.
- A Τ-shaped sign or structure; a St. Anthony's cross, sometimes regarded as a sacred symbol.
- 1658: Nor shall we take in the mysticall Tau, or the Crosse of our blessed Saviour, which having in some descriptions an Empedon or crossing foot-stay, made not one single transversion. — Sir Thomas Browne, The Garden of Cyrus (Folio Society 2007, p. 168)
- (physics, dated) A tau meson, now usually known as a kaon.
- (physics) An unstable heavy lepton, which decays into a muon or electron; a tauon.
- (biology) Tau protein, a type of protein that stabilizes microtubules in the human central nervous system, failures of which are associated with forms of dementia.
- 1999, Matt Ridley, Genome, Harper Perennial 2004, p. 263:
- Quite what that job is remains obscure, but one theory is that it is to stabilise another protein called tau, which is supposed in turn to keep in shape the tubular ‘skeleton’ of a neuron.
- 1999, Matt Ridley, Genome, Harper Perennial 2004, p. 263:
- (finance) A measurement of the sensitivity of the value of an option to changes in the implied volatility of the price of the underlying asset.
- (mathematics, neologism) An irrational and transcendental constant representing the ratio of the circumference of a Euclidean circle to its radius, approximately 6.2831853071; equal to twice the value of pi. Often written τ.
Hypernyms
- (measure of derivative price sensitivity): Greeks (includes list of coordinate terms)
Derived terms
- tauon
- tauopathy
- tau lepton
- tau meson
- tau neutrino
- tau protein
Further reading
tau on Wikipedia.Wikipedia Tau (disambiguation) on Wikipedia.Wikipedia Tau (protein) on Wikipedia.Wikipedia
'Are'are
References
- Kateřina Naitoro, A Sketch Grammar of 'Are'are: The Sound System and Morpho-Syntax (2013)
Catalan
Czech
Pronunciation
- IPA(key): [ˈtau̯]
Finnish
Pronunciation
- IPA(key): /ˈtɑu̯/, [ˈt̪ɑu̯]
- Hyphenation: tau
Declension
For (1) in plural, only nominative case is used[1].
Inflection of tau (Kotus type 21/rosé, no gradation) | |||
---|---|---|---|
nominative | tau | taut | |
genitive | taun | tauiden tauitten | |
partitive | tauta | tauita | |
illative | tauhun | tauihin | |
singular | plural | ||
nominative | tau | taut | |
accusative | nom. | tau | taut |
gen. | taun | ||
genitive | taun | tauiden tauitten | |
partitive | tauta | tauita | |
inessive | taussa | tauissa | |
elative | tausta | tauista | |
illative | tauhun | tauihin | |
adessive | taulla | tauilla | |
ablative | taulta | tauilta | |
allative | taulle | tauille | |
essive | tauna | tauina | |
translative | tauksi | tauiksi | |
instructive | — | tauin | |
abessive | tautta | tauitta | |
comitative | — | tauineen |
References
French
Pronunciation
- IPA(key): /to/
Audio (Paris) (file)
Derived terms
Further reading
- “tau” in le Trésor de la langue française informatisé (The Digitized Treasury of the French Language).
Hungarian
Etymology
From Ancient Greek ταῦ (taû).
Pronunciation
- IPA(key): [ˈtɒu]
- Hyphenation: tau
Declension
Inflection (stem in long/high vowel, back harmony) | ||
---|---|---|
singular | plural | |
nominative | tau | tauk |
accusative | taut | taukat |
dative | taunak | tauknak |
instrumental | tauval | taukkal |
causal-final | tauért | taukért |
translative | tauvá | taukká |
terminative | tauig | taukig |
essive-formal | tauként | taukként |
essive-modal | — | — |
inessive | tauban | taukban |
superessive | taun | taukon |
adessive | taunál | tauknál |
illative | tauba | taukba |
sublative | taura | taukra |
allative | tauhoz | taukhoz |
elative | tauból | taukból |
delative | tauról | taukról |
ablative | tautól | tauktól |
Possessive forms of tau | ||
---|---|---|
possessor | single possession | multiple possessions |
1st person sing. | taum | tauim |
2nd person sing. | taud | tauid |
3rd person sing. | tauja | taui |
1st person plural | taunk | tauink |
2nd person plural | tautok | tauitok |
3rd person plural | taujuk | tauik |
Icelandic
Pronunciation
- IPA(key): /tʰøyː/
- Rhymes: -øyː
Japanese
Malay
Etymology
From Proto-Malayic *tahu(ʔ), from Proto-Malayo-Chamic, from Proto-Malayo-Sumbawan, from Proto-Sunda-Sulawesi, from Proto-Malayo-Polynesian *taqu, from Proto-Austronesian *Caqu.
Pronunciation
- IPA(key): /tau/
- Rhymes: -au, -u
Maori
Etymology 1
From Proto-Polynesian *taqu, from Proto-Oceanic, from Proto-Malayo-Polynesian *taqun (compare Malagasy taona, Malay tahun).
Noun
tau
- year (time it takes for the Earth to complete one revolution of the Sun)
- year (time it takes for any planetary body to make one revolution around another body)
- year (a period between set dates that mark a year)
- year (scheduled part of a calendar year spent in a specific activity)
- year (Julian year)
- year (level or grade at school or college)
Etymology 2
From Proto-Polynesian *tau, from Proto-Oceanic, from Proto-Malayo-Polynesian *taʀuq (compare Malagasy tao, Malay taruh).
Etymology 3
From Proto-Polynesian *tau, from Proto-Oceanic, from Proto-Malayo-Polynesian *taqu, from Proto-Austronesian *Caqu.
Minangkabau
Etymology
From Proto-Malayic *tahu(ʔ), from Proto-Malayo-Chamic, from Proto-Malayo-Sumbawan, from Proto-Sunda-Sulawesi, from Proto-Malayo-Polynesian *taqu, from Proto-Austronesian *Caqu.
Min Nan
For pronunciation and definitions of tau – see 兜 (“home; nearby”). (This character, tau, is the Pe̍h-ōe-jī form of 兜.) |
Niuean
Etymology 1
From Proto-Polynesian *taqu, from Proto-Oceanic, from Proto-Malayo-Polynesian *taqun.
Noun
tau
- year (time it takes for the Earth to complete one revolution of the Sun)
- year (time it takes for any planetary body to make one revolution around another body)
- year (a period between set dates that mark a year)
- year (scheduled part of a calendar year spent in a specific activity)
- year (Julian year)
- year (level or grade at school or college)
Etymology 2
From Proto-Polynesian *tau, from Proto-Oceanic, from Proto-Malayo-Polynesian *taʀuŋ (compare Malay tarung).
North Frisian
< 1 | 2 | 3 > |
---|---|---|
Cardinal : tau Ordinal : öler | ||
Etymology
From Old Frisian twā. Compare Mooring North Frisian twäär, tou.
Pronunciation
IPA(key): /tau/
Coordinate terms
—0 | —1 | —2 | —3 | —4 | —5 | —6 | —7 | —8 | —9 | |
---|---|---|---|---|---|---|---|---|---|---|
0— | nol | een | tau | trii | fjauer | fiiw | seeks | sööwen | aacht | njüügen |
1— | tjiin | elwen | twaalew | tretanj | fjauertanj | füftanj | seekstanj | sööwentanj | aagetanj | njüügentanj |
2— | twuntig | eenantwuntig | tauantwuntig | triiantwuntig | fjauerantwuntig | fiiwantwuntig | seeksantwuntig | sööwenantwuntig | aachtantwuntig | njüügenantwuntig |
3— | dörtig | eenandörtig | tauandörtig | triiandörtig | fjauerandörtig | fiiwandörtig | seeksandörtig | sööwenandörtig | aachtandörtig | njüügenandörtig |
4— | fiartig | eenanfiartig | tauanfiartig | triianfiartig | fjaueranfiartig | fiiwanfiartig | seeksanfiartig | sööwenanfiartig | aachtanfiartig | njüügenanfiartig |
5— | föftig | eenanföftig | tauanföftig | triianföftig | fjaueranföftig | fiiwanföftig | seeksanföftig | sööwenanföftig | aachtanföftig | njüügenanföftig |
6— | söstig | eenansöstig | tauansöstig | triiansöstig | fjaueransöstig | fiiwansöstig | seeksansöstig | sööwenansöstig | aachtansöstig | njüügenansöstig |
7— | sööwentig | eenansööwentig | tauansööwentig | triiansööwentig | fjaueransööwentig | fiiwansööwentig | seeksansööwentig | sööwenansööwentig | aachtansööwentig | njüügenansööwentig |
8— | tachentig | eenantachentig | tauantachentig | triiantachentig | fjauerantachentig | fiiwantachentig | seeksantachentig | sööwenantachentig | aachtantachentig | njüügenantachentig |
9— | neegentig | eenanneegentig | tauanneegentig | triianneegentig | fjaueranneegentig | fiiwanneegentig | seeksanneegentig | sööwenanneegentig | aachtanneegentig | njüügenanneegentig |
Norwegian Bokmål
Norwegian Nynorsk
Alternative forms
Synonyms
- (rope): reip
Sotho
Spanish
Pronunciation
- IPA(key): /tau/, [t̪au̯]
Synonyms
- (tauon): tauón
See also
- (Greek script letter names) letra; alfa, beta, gamma, delta, épsilon, dseda, eta, zeta, iota, kappa, lambda, mi, ni, xi, ómicron, pi, ro, sigma, tau, ípsilon, fi, ji, psi, omega (Category: es:Greek letter names)
- (leptons) leptón; electrón, muón, tau/tauón, neutrino electrónico, neutrino muónico, neutrino tauónico
Tahitian
Synonyms
References
- Yves Lemaître, Lexique du tahitien contemporain (Current Tahitian lexicon), 1995.
- “tau” in Dictionnaire en ligne Tahitien/Français (Online Tahitian–French Dictionary), by the Tahitian Academy.
Tocharian B
Tongan
Etymology
From Proto-Polynesian *tau (compare Hawaiian kau, Maori tau, Niuean tau), from Proto-Oceanic, from Proto-Malayo-Polynesian *taʀuq (compare Indonesian taruh, Malagasy tao, Malay taruh).
Vietnamese
Pronunciation
- (Hà Nội) IPA(key): [taw˧˧]
- (Huế) IPA(key): [taw˧˧]
- (Hồ Chí Minh City) IPA(key): [taw˧˧]